New
#11
The smallest WD Caviar Black drive is 500GB. The blacks have 32MB memory cache and 5 yr warranty. Here are two from Newegg with $5 difference in price for the 650GB.
http://www.newegg.com/Product/Productcompare.aspx?Submit=ENE&N=100007603%2050001306%20600003459%20600003340%20600003338&IsNodeId=1 &bop=And&CompareItemList=14|22-136-319^22-136-319-TS%2C22-136-320^22-136-320-TS
Jim